package homeWork;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Test2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("D:\\a\\a.txt");
        FileOutputStream fos = new FileOutputStream("D:\\a\\b.txt");
        byte[] bytes = new byte[1024];
        int len;
        while ((len=fis.read(bytes))!=-1){
            fos.write(bytes,0,len);
        }
    }
}
